Stockholm university
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Environmental Biogeochemistry

Biogeochemical cycles of carbon, nitrogen, phosphorous and other elements are fundamental for life on Earth. These biogeochemical cycles have been altered by human activities, resulting in environmental challenges such as global warming, eutrophication, or heavy metal pollution.

Fundamental understanding of the biogeochemical cycles, and how they are coupled, is vital in order to both understand and mitigate the consequences of human perturbations. We will in this course explore different biogeochemical cycles, focusing on terrestrial and aquatic systems, and discuss how they interact and are linked to human activities.

Topics included:

  • Overview of the foundations of biogeochemical cycles (e.g., redox chemistry, energy metabolism)
  • Biogeochemical cycles of different elements such as carbon, macro- and micronutrients and heavy metals in soil, inland and ocean waters, sediments and the lower atmosphere
  • Interactions between biogeochemical cycles of different elements and their implications
  • Key anthropogenic environmental perturbations and their interactions with biogeochemical cycles
  • Effects of natural processes and perturbations on the fate and bioavailability of pollutants
  • Introduction to isotopes – key tools to study biogeochemical cycles